Question

What is difference between covalency and oxidation state

Answer 1

Answer:

Covalency is the number of electrons shared by an atom with the other atoms to form covalent bonds, e.g., Carbon can share 4 electrons, so it has 4 covalency. Oxidation state is the number of electrons lose by an atom, e.g., Na+, Na loses one electron hence get a + charge, oxidation state is +1.

Answer 2

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What is difference between covalency and oxidation state

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Covalency is the number of electrons that can be given by an atom towards formation of a covalent bond…. it is actually number of atoms attached…..in other words coordination number.

Example: covalency of Nitrogen is 3…. can be 4 as well….examples are NH4+ and N2O5.

Oxidation State is the degree of an atom to lose electrons. The negative values indicate gain of electrons.

Example: Oxidation state of Barium is +2 meaning it can lose 2 electrons. Similarly oxidation state of Oxygen can be -1, and -2 meaning at times it can gain one electron and in other cases it can gain two.

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